OpenTechnical

OT-2026-000066073

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, vented after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000066073) never changes.

Identity and time

Publication numberOT-2026-000066073 · never reused
Internal UUID01a0ae8e-8dc2-7e04-acbe-aee3e9b0fbd1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066073
StatusPUBLIC

Content hashes

Canonical text3b95e323bfef049e5199a92d0c6b8d6a4d40c27e0ff4a2814b9423444b26e79b
Markdown5010ed7222b85010d1f11f236542a46187891572db1bd095e04377459011fa27
PDF
Publication pagefc5c6de3b705164d40b35accc5e2f2abe9170be60624cb74018d1e83b8ce9271
Manifeste05cbe16d61904fe54f29682229f70949ba57f0b9629dfd0bb16386f892e87b1

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureG7ICPdrovvv8Wwuuau6cZ7oivhfZBHwFEmIuE6wKvkxzqa27n2bOQUVCDwn7qbQF+1p9SPKNimVwHHTmHYOXDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T08:50:43.586091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066073
observed fc5c6de3b705164d40b35accc5e2f2ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:43.566317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066073/manifest.json
observed e05cbe16d61904fe54f29682229f7094...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:43.546858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066073/publication.md
observed 5010ed7222b85010d1f11f236542a461...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:43.528413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066073/publication.txt
observed 3b95e323bfef049e5199a92d0c6b8d6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.